<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card>
      <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
      <div id="main" style="width: 750px;height:400px;"></div>

    </el-card>
  </div>
</template>

<script>
  import * as echarts from 'echarts'
  import _ from 'lodash'
  export default {
    name: "report",
    data(){
      return{
        options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }

      }
    },
    created() {
    },
    async mounted(){
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('main'));
      const {data:res} = await this.$http.get('reports/type/1')
      if(res.meta.status !==200){
        return this.$message.error('获取折线数据失败！')
      }
      console.log(res.data);
      const result = _.merge(res.data,this.options)

      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(result);

    },
    methods:{

    }
  }
</script>

<style scoped>

</style>